<SEC-DOCUMENT>0000897069-19-000123-index.html : 20190213
<SEC-HEADER>0000897069-19-000123.hdr.sgml : 20190213
<ACCEPTANCE-DATETIME>20190213105957
ACCESSION NUMBER:		0000897069-19-000123
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190213
DATE AS OF CHANGE:		20190213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BASIC ENERGY SERVICES INC
		CENTRAL INDEX KEY:			0001109189
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				542091194
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-81236
		FILM NUMBER:		19594114

	BUSINESS ADDRESS:	
		STREET 1:		801 CHERRY STREET
		STREET 2:		SUITE 2100
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-334-4100

	MAIL ADDRESS:	
		STREET 1:		801 CHERRY STREET
		STREET 2:		SUITE 2100
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIERRA WELL SERVICE INC
		DATE OF NAME CHANGE:	20000313

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KEY GROUP HOLDINGS (CAYMAN), LTD.
		CENTRAL INDEX KEY:			0001549641
		IRS NUMBER:				981036063
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		CAVES POINT, 3C
		STREET 2:		WEST BAY STREET
		CITY:			NASSAU
		STATE:			C5
		ZIP:			NA
		BUSINESS PHONE:		2144320585

	MAIL ADDRESS:	
		STREET 1:		CAVES POINT, 3C
		STREET 2:		WEST BAY STREET
		CITY:			NASSAU
		STATE:			C5
		ZIP:			NA
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>cmw58.htm
<TEXT>
Document 1 - file: cmw58.htm

</DOCUMENT>
</SEC-DOCUMENT>